CN110947116A - A linkage that is used for safety belt during high-tension switchgear aerial work - Google Patents
A linkage that is used for safety belt during high-tension switchgear aerial work Download PDFInfo
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- CN110947116A CN110947116A CN201911208699.XA CN201911208699A CN110947116A CN 110947116 A CN110947116 A CN 110947116A CN 201911208699 A CN201911208699 A CN 201911208699A CN 110947116 A CN110947116 A CN 110947116A
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- supporting rod
- safety belt
- support rod
- cross arm
- switch cabinet
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Electric Cable Installation (AREA)
Abstract
The invention relates to a suspension device for a safety belt in high-altitude operation of a high-voltage switch cabinet, which comprises a cross arm, a first support rod and a second support rod, wherein the first support rod and the second support rod are arranged at two ends of the cross arm; the bottom parts of the first supporting rod and the second supporting rod are vertically provided with angle irons, and electromagnets are arranged in the angle irons; the cross arm, the first supporting rod and the second supporting rod are telescopic rods, the first supporting rod and the second supporting rod are respectively connected with a fixing plate in a rotating mode, and fixing holes are formed in the fixing plates. The invention has reasonable structure and high safety performance.
Description
Technical Field
The invention relates to a safety protection device for electric power overhaul, in particular to a suspension device for a safety belt during high-altitude operation of a high-voltage switch cabinet.
Background
The high-voltage switch cabinet is used for switching on and off, controlling or protecting in power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system. The voltage class of the high-voltage switch cabinet is 3.6 kV-550 kV, and the high-voltage switch cabinet comprises a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.
The high-voltage switch cabinet is divided into two types of indoor and outdoor according to installation places. The cabinet body and the internal partition plates of the high-voltage switch cabinet are usually made of metal so as to shield the mutual interference between equipment in the cabinet and the equipment.
Outdoor high tension switchgear is usually through rings hoist and mount and is higher than, to these high tension switchgear that are located in the open air when carrying out cabinet body top maintenance operation, because do not have special fixed position, operating personnel's safety belt hangs the rings department of fixing at high tension switchgear top usually.
However, the safety belt should be hung according to the safety requirements of high hanging and low hanging, and the simple use mode brings great hidden danger to the life safety of operators.
Disclosure of Invention
The invention aims to provide a hanging device for a safety belt during high-altitude operation of a high-voltage switch cabinet, which is reasonable in structure and high in safety performance.
The invention adopts the following technical scheme:
a suspension device for a safety belt during high-voltage switch cabinet lifting operation comprises a cross arm, a first support rod and a second support rod, wherein the first support rod and the second support rod are arranged at two ends of the cross arm; the bottom parts of the first supporting rod and the second supporting rod are vertically provided with angle irons, and electromagnets are arranged in the angle irons; the cross arm, the first supporting rod and the second supporting rod are telescopic rods, the first supporting rod and the second supporting rod are respectively connected with a fixing plate in a rotating mode, and fixing holes are formed in the fixing plates.
The wire concentrator comprises a shell fixedly connected with the first supporting rod, a winch arranged in the shell and a steel wire rope wound on the winch, and a fixing clamp used for fixing the steel wire rope is arranged on the second supporting rod.
Wherein, the both ends of cross arm are provided with the runner, wire rope card is put in the runner.
Wherein, a power supply for supplying power to the electromagnet is arranged on the cross arm.
The first support rod and the second support rod are respectively provided with a long groove, a rotating shaft is arranged in the long grooves in a sliding mode, and the rotating shaft is rotatably connected with the fixing plate.
The angle iron is a right-angle iron, and the two angle irons are parallel to each other and have opposite openings.
Wherein, be provided with voltage sensor on the angle bar.
The cross arm is provided with a controller, and the controller is connected with the voltage sensor.
Wherein, still be provided with the siren on the cross arm, the siren is connected with the controller.
The first support rod and the second support rod are made of metal materials, and the outer layer of the first support rod and the second support rod is coated with epoxy resin materials.
The invention has the beneficial effects that: the device can be adapted to the requirements of various occasions, and can be adaptively adjusted according to the sizes of different cabinets; the device is fixed on the high-voltage switch cabinet through the electromagnet and the fixing plate, the device is stable and reliable, and meanwhile, the technical specification of high hanging and low using is achieved; the electrified condition of pressure sensor real-time supervision cubical switchboard, in case appear unusually, the controller can control the siren and send out the police dispatch newspaper, reminds operating personnel and auxiliary personnel to pay attention to safety.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a connection structure of the fixing plate according to the present invention.
Fig. 3 is a schematic view of a connection structure of the angle iron and the high-voltage switch cabinet.
Fig. 4 is a schematic structural view of embodiment 2.
Fig. 5 is a schematic cross-sectional view of the hub.
Fig. 6 is a schematic structural view of embodiment 3.
Fig. 7 is a schematic diagram of a module connection structure of the controller according to the present invention.
The lifting device comprises a cross arm 1, a first supporting rod 2, a second supporting rod 3, an angle iron 4, an electromagnet 5, a fixing plate 6, a fixing hole 7, a shell 8, a winch 9, a steel wire rope 10, a fixing clamp 11, a rotating wheel 12, a power supply 13, a long groove 14, a rotating shaft 15, a voltage sensor 16, a controller 17, an alarm 18, a high-voltage switch cabinet 19 and a lifting ring of a high-voltage switch cabinet 20.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1
Referring to fig. 1 to 3, a suspension device for a safety belt of a high-voltage switch cabinet during a lifting operation includes a cross arm 1, a first support rod 2 and a second support rod 3 disposed at two ends of the cross arm 1; the bottoms of the first supporting rod 2 and the second supporting rod 3 are vertically provided with angle irons 4, and electromagnets 5 are arranged in the angle irons 4; cross arm 1, first bracing piece 2, second bracing piece 3 are the telescopic link, rotate respectively on first bracing piece 2 and the second bracing piece 3 and be connected with fixed plate 6, be provided with fixed orifices 7 on the fixed plate 6.
The angle iron 4 is a right angle iron, and the two angle irons 4 are parallel to each other and have opposite openings. The cross arm 1 is provided with a power supply 13 for supplying power to the electromagnet 5. After the electromagnet is electrified, the angle iron is fixedly attracted to the upper edge of the high-voltage switch cabinet, and the main fixing effect is achieved.
The first support rod 2 and the second support rod 3 are respectively provided with a long groove 14, a rotating shaft 15 is arranged in the long groove 14 in a sliding mode, and the rotating shaft 15 is connected with the fixing plate 6 in a rotating mode. The spout sets up along the length direction of first bracing piece or second bracing piece, and the one end setting of pivot can follow the spout and remove in the spout. The other end of the rotating shaft is rotatably connected with a fixed plate, and the fixed plate can rotate. The fixing holes in the fixing plate are fixed in the hoisting ring of the high-voltage switch cabinet through bolts, and the fixing plate can be adjusted in direction, so that the hoisting ring can adapt to different positions, and reliable fixed connection is guaranteed.
During the use, the length of adjustment first bracing piece, second bracing piece and cross arm is laminated the angle bar on the subtend top edge on high tension switchgear top, and the actuation is on high tension switchgear after the electro-magnet is gone up to the electricity, and the fixed plate passes through the bolt fastening in high tension switchgear's hoist and mount ring, guarantees that whole device can not take place to overturn. The hook hasp of safety belt uses on the cross arm.
Example 2
As shown in fig. 4 to 5, the difference from embodiment 1 is only that a hub is disposed on the first support rod 2, the hub includes a housing 8 fixedly connected to the first support rod 2, a winch 9 disposed in the housing 8, and a wire rope 10 wound on the winch 9, and the second support rod 3 is disposed with a fixing clip 11 for fixing the wire rope 10.
Two ends of the cross arm 1 are provided with rotating wheels 12, and the steel wire rope 10 is clamped in the rotating wheels 12.
And a steel wire rope is coiled in a winch of the concentrator, and the steel wire rope is fixed on the fixing clamp after passing through the rotating wheel. The fixing clip can be a bolt, and can be a fixing device such as a conventional clip for fixing the steel wire rope. The safety belt of the operator can be hung on the steel wire rope and the cross arm, so that double insurance is realized.
Example 3
As shown in fig. 6 to 7, the present invention is different from embodiment 3 only in that a voltage sensor 16 is provided on the angle iron 4.
The cross arm 1 is provided with a controller 17, and the controller 17 is connected with a voltage sensor 16. The controller can be a PLC or a single chip microcomputer.
The cross arm 1 is further provided with an alarm 18, and the alarm 18 is connected with the controller 17.
The first supporting rod 2 and the second supporting rod 3 are made of metal materials, and the outer layer of the first supporting rod and the outer layer of the second supporting rod are coated with epoxy resin materials.
The voltage sensor is used for detecting the voltage on the surface of the high-voltage switch cabinet to judge whether the high-voltage switch cabinet is electrified or not, and the signals of the high-voltage switch cabinet are collected by the controller and then processed. When the controller obtains the voltage signal of the voltage sensor, the alarm is controlled to give an alarm to prompt the attention of the working personnel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A suspension device for a safety belt during high-voltage switch cabinet high-out operation is characterized by comprising a cross arm (1), a first supporting rod (2) and a second supporting rod (3), wherein the first supporting rod and the second supporting rod are arranged at two ends of the cross arm (1); the bottoms of the first supporting rod (2) and the second supporting rod (3) are vertically provided with angle irons (4), and electromagnets (5) are arranged in the angle irons (4); the cross arm (1), the first supporting rod (2) and the second supporting rod (3) are telescopic rods, the first supporting rod (2) and the second supporting rod (3) are respectively connected with a fixing plate (6) in a rotating mode, and fixing holes (7) are formed in the fixing plate (6).
2. The suspension device for the safety belt during the high-voltage switch cabinet lifting operation is characterized in that a hub is arranged on the first support rod (2), the hub comprises a shell (8) fixedly connected with the first support rod (2), a winch (9) arranged in the shell (8) and a steel wire rope (10) wound on the winch (9), and a fixing clamp (11) for fixing the steel wire rope (10) is arranged on the second support rod (3).
3. The suspension device for the safety belt during the high-voltage switch cabinet lifting operation is characterized in that two ends of the cross arm (1) are provided with rotating wheels (12), and the steel wire rope (10) is clamped in the rotating wheels (12).
4. A suspension arrangement for a safety belt in high-voltage switchgear cabinet-lifting operation according to claim 3, characterized in that the cross-arm (1) is provided with a power supply (13) for supplying power to the electromagnet (5).
5. The hanging device for the safety belt during the high-voltage switch cabinet lifting operation is characterized in that the first supporting rod (2) and the second supporting rod (3) are respectively provided with a long groove (14), a rotating shaft (15) is arranged in the long groove (14) in a sliding mode, and the rotating shaft (15) is rotatably connected with the fixing plate (6).
6. A suspension device for safety belts in high-voltage switchgear cabinet working at high altitude according to claim 5, characterized in that the angle-bars (4) are right angle-bars, two angle-bars (4) being parallel to each other and open opposite each other.
7. A suspension arrangement for a safety belt in high-voltage switchgear cabinet working at height according to claim 6, characterized in that a voltage sensor (16) is arranged on the angle iron (4).
8. The suspension device for the safety belt during the high-voltage switch cabinet lifting operation is characterized in that a controller (17) is arranged on the cross arm (1), and the controller (17) is connected with a voltage sensor (16).
9. The suspension device for the safety belt during the high-voltage switch cabinet lifting operation is characterized in that an alarm (18) is further arranged on the cross arm (1), and the alarm (18) is connected with a controller (17).
10. The suspension device for the safety belt during the high-voltage switch cabinet lifting operation according to claim 9, wherein the first support rod (2) and the second support rod (3) are made of metal materials, and the outer layers of the first support rod and the second support rod are coated with epoxy resin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208699.XA CN110947116A (en) | 2019-11-30 | 2019-11-30 | A linkage that is used for safety belt during high-tension switchgear aerial work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208699.XA CN110947116A (en) | 2019-11-30 | 2019-11-30 | A linkage that is used for safety belt during high-tension switchgear aerial work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110947116A true CN110947116A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911208699.XA Pending CN110947116A (en) | 2019-11-30 | 2019-11-30 | A linkage that is used for safety belt during high-tension switchgear aerial work |
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| Country | Link |
|---|---|
| CN (1) | CN110947116A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113244545A (en) * | 2021-05-19 | 2021-08-13 | 广东电网有限责任公司 | Safety belt hanging device |
| CN115591142A (en) * | 2022-09-28 | 2023-01-13 | 中国一冶集团有限公司（Cn） | Movable safety belt fixing device and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244545A (en) * | 2021-05-19 | 2021-08-13 | 广东电网有限责任公司 | Safety belt hanging device |
| CN115591142A (en) * | 2022-09-28 | 2023-01-13 | 中国一冶集团有限公司（Cn） | Movable safety belt fixing device and use method thereof |
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Application publication date: 20200403 |